Remove useless Event TriState async API

patches/api/0007-KeYi-Player-Skull-API.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: nostalgic853 <yuu8583@proton.me>
+Date: Sun, 20 Nov 2022 00:20:01 +0800
+Subject: [PATCH] KeYi: Player Skull API
+
+Original license: MIT
+Original project: https://github.com/KeYiMC/KeYi
+
+diff --git a/src/main/java/org/bukkit/entity/Player.java b/src/main/java/org/bukkit/entity/Player.java
+index 66da298cb8ed2e53be10c23faf59b61b056e6530..d5df69a2e5b228545dfaaaa98ce88ec0da806315 100644
+--- a/src/main/java/org/bukkit/entity/Player.java
++++ b/src/main/java/org/bukkit/entity/Player.java
+@@ -3988,4 +3988,23 @@ public interface Player extends HumanEntity, Conversable, OfflinePlayer, PluginM
+         sendDeathScreen(message);
+     }
+     // Purpur end
++
++    // Leaf start - KeYi - Player Skull API
++    /**
++     * Get a skull item of a player.
++     * This method runs on main thread, which may freeze the server.
++     *
++     * @return A skull ItemStack of the player
++     */
++    ItemStack getSkull();
++
++    /**
++     * Get a skull item of a player.
++     * This method runs on main thread, which may freeze the server.
++     *
++     * @return A CompletableFuture of the skull ItemStack of the player
++     */
++    @Deprecated(forRemoval = true)
++    CompletableFuture<ItemStack> getSkullAsynchronously();
++    // Leaf end - KeYi
+ }